/*-
 * ============LICENSE_START=======================================================
 * ONAP CLAMP
 * ================================================================================
 * Copyright (C) 2019 AT&T Intellectual Property. All rights
 *                             reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END============================================
 * ===================================================================
 *
 */

package org.onap.clamp.loop;

import static org.assertj.core.api.Assertions.assertThat;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;

import javax.transaction.Transactional;

import org.apache.commons.lang3.RandomStringUtils;
import org.json.JSONException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.onap.clamp.clds.Application;
import org.onap.clamp.clds.exception.policy.PolicyModelException;
import org.onap.clamp.clds.exception.sdc.controller.CsarHandlerException;
import org.onap.clamp.clds.exception.sdc.controller.SdcArtifactInstallerException;
import org.onap.clamp.clds.sdc.controller.installer.BlueprintArtifact;
import org.onap.clamp.clds.sdc.controller.installer.CsarHandler;
import org.onap.clamp.clds.sdc.controller.installer.CsarInstaller;
import org.onap.clamp.clds.util.ResourceFileUtil;
import org.onap.sdc.api.notification.INotificationData;
import org.onap.sdc.api.notification.IResourceInstance;
import org.onap.sdc.tosca.parser.api.ISdcCsarHelper;
import org.onap.sdc.tosca.parser.exceptions.SdcToscaParserException;
import org.onap.sdc.tosca.parser.impl.SdcToscaParserFactory;
import org.onap.sdc.toscaparser.api.elements.Metadata;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = Application.class)
@ActiveProfiles(profiles = "clamp-default,clamp-default-user,clamp-sdc-controller-new")
public class CsarInstallerItCase {

    private static final String CSAR_ARTIFACT_NAME = "example/sdc/service-Simsfoimap0112.csar";
    private static final String INVARIANT_SERVICE_UUID = "4cc5b45a-1f63-4194-8100-cd8e14248c92";
    private static final String INVARIANT_RESOURCE1_UUID = "07e266fc-49ab-4cd7-8378-ca4676f1b9ec";
    private static final String INVARIANT_RESOURCE2_UUID = "023a3f0d-1161-45ff-b4cf-8918a8ccf3ad";
    private static final String RESOURCE_INSTANCE_NAME_RESOURCE1 = "ResourceInstanceName1";
    private static final String RESOURCE_INSTANCE_NAME_RESOURCE2 = "ResourceInstanceName2";

    @Autowired
    private LoopsRepository loopsRepo;

    @Autowired
    private CsarInstaller csarInstaller;

    private BlueprintArtifact buildFakeBuildprintArtifact(String instanceName, String invariantResourceUuid,
        String blueprintFilePath, String artifactName, String invariantServiceUuid) throws IOException {
        IResourceInstance resource = Mockito.mock(IResourceInstance.class);
        Mockito.when(resource.getResourceInstanceName()).thenReturn(instanceName);
        Mockito.when(resource.getResourceInvariantUUID()).thenReturn(invariantResourceUuid);
        BlueprintArtifact blueprintArtifact = Mockito.mock(BlueprintArtifact.class);
        Mockito.when(blueprintArtifact.getDcaeBlueprint())
            .thenReturn(ResourceFileUtil.getResourceAsString(blueprintFilePath));
        Mockito.when(blueprintArtifact.getBlueprintArtifactName()).thenReturn(artifactName);
        Mockito.when(blueprintArtifact.getBlueprintInvariantServiceUuid()).thenReturn(invariantServiceUuid);
        Mockito.when(blueprintArtifact.getResourceAttached()).thenReturn(resource);
        return blueprintArtifact;
    }

    private CsarHandler buildFakeCsarHandler(String generatedName) throws IOException, SdcToscaParserException {
        // Create fake notification
        INotificationData notificationData = Mockito.mock(INotificationData.class);
        Mockito.when(notificationData.getServiceVersion()).thenReturn("1.0");
        // Create fake resource in notification
        CsarHandler csarHandler = Mockito.mock(CsarHandler.class);
        List<IResourceInstance> listResources = new ArrayList<>();
        Mockito.when(notificationData.getResources()).thenReturn(listResources);
        Map<String, BlueprintArtifact> blueprintMap = new HashMap<>();
        Mockito.when(csarHandler.getMapOfBlueprints()).thenReturn(blueprintMap);
        // Create fake blueprint artifact 1 on resource1
        BlueprintArtifact blueprintArtifact = buildFakeBuildprintArtifact(RESOURCE_INSTANCE_NAME_RESOURCE1,
            INVARIANT_RESOURCE1_UUID, "example/sdc/blueprint-dcae/tca.yaml", "tca.yaml", INVARIANT_SERVICE_UUID);
        listResources.add(blueprintArtifact.getResourceAttached());
        blueprintMap.put(blueprintArtifact.getBlueprintArtifactName(), blueprintArtifact);
        // Create fake blueprint artifact 2 on resource2
        blueprintArtifact = buildFakeBuildprintArtifact(RESOURCE_INSTANCE_NAME_RESOURCE2, INVARIANT_RESOURCE2_UUID,
            "example/sdc/blueprint-dcae/tca_2.yaml", "tca_2.yaml", INVARIANT_SERVICE_UUID);
        listResources.add(blueprintArtifact.getResourceAttached());
        blueprintMap.put(blueprintArtifact.getBlueprintArtifactName(), blueprintArtifact);

        // Create fake blueprint artifact 3 on resource 1 so that it's possible to
        // test multiple CL deployment per Service/vnf
        blueprintArtifact = buildFakeBuildprintArtifact(RESOURCE_INSTANCE_NAME_RESOURCE1, INVARIANT_RESOURCE1_UUID,
            "example/sdc/blueprint-dcae/tca_3.yaml", "tca_3.yaml", INVARIANT_SERVICE_UUID);
        blueprintMap.put(blueprintArtifact.getBlueprintArtifactName(), blueprintArtifact);

        // Build fake csarhandler
        Mockito.when(csarHandler.getSdcNotification()).thenReturn(notificationData);
        // Build fake csar Helper
        ISdcCsarHelper csarHelper = Mockito.mock(ISdcCsarHelper.class);
        Metadata data = Mockito.mock(Metadata.class);
        Mockito.when(data.getValue("name")).thenReturn(generatedName);
        Mockito.when(notificationData.getServiceName()).thenReturn(generatedName);
        Mockito.when(csarHelper.getServiceMetadata()).thenReturn(data);

        // Create helper based on real csar to test policy yaml and global properties
        // set
        SdcToscaParserFactory factory = SdcToscaParserFactory.getInstance();
        ISdcCsarHelper sdcHelper = factory
            .getSdcCsarHelper(Thread.currentThread().getContextClassLoader().getResource(CSAR_ARTIFACT_NAME).getFile());
        Mockito.when(csarHandler.getSdcCsarHelper()).thenReturn(sdcHelper);

        // Mockito.when(csarHandler.getSdcCsarHelper()).thenReturn(csarHelper);
        Mockito.when(csarHandler.getPolicyModelYaml())
            .thenReturn(Optional.ofNullable(ResourceFileUtil.getResourceAsString("tosca/tosca_example.yaml")));
        return csarHandler;
    }

    @Test
    @Transactional
    public void testIsCsarAlreadyDeployedTca() throws SdcArtifactInstallerException, SdcToscaParserException,
        CsarHandlerException, IOException, InterruptedException, PolicyModelException {
        String generatedName = RandomStringUtils.randomAlphanumeric(5);
        CsarHandler csarHandler = buildFakeCsarHandler(generatedName);
        assertThat(csarInstaller.isCsarAlreadyDeployed(csarHandler)).isFalse();
        csarInstaller.installTheCsar(csarHandler);
        assertThat(csarInstaller.isCsarAlreadyDeployed(csarHandler)).isTrue();
    }

    @Test
    @Transactional
    public void testInstallTheCsarTca() throws SdcArtifactInstallerException, SdcToscaParserException,
        CsarHandlerException, IOException, JSONException, InterruptedException, PolicyModelException {
        String generatedName = RandomStringUtils.randomAlphanumeric(5);
        CsarHandler csar = buildFakeCsarHandler(generatedName);
        csarInstaller.installTheCsar(csar);
        assertThat(loopsRepo
            .existsById(Loop.generateLoopName(generatedName, "1.0", RESOURCE_INSTANCE_NAME_RESOURCE1, "tca.yaml")))
                .isTrue();
        assertThat(loopsRepo
            .existsById(Loop.generateLoopName(generatedName, "1.0", RESOURCE_INSTANCE_NAME_RESOURCE1, "tca_3.yaml")))
                .isTrue();
        assertThat(loopsRepo
            .existsById(Loop.generateLoopName(generatedName, "1.0", RESOURCE_INSTANCE_NAME_RESOURCE2, "tca_2.yaml")))
                .isTrue();
        // Verify now that policy and json representation, global properties are well
        // set
        Loop loop = loopsRepo
            .findById(Loop.generateLoopName(generatedName, "1.0", RESOURCE_INSTANCE_NAME_RESOURCE1, "tca.yaml")).get();
        assertThat(loop.getSvgRepresentation()).startsWith("<svg ");
        assertThat(loop.getGlobalPropertiesJson().get("dcaeDeployParameters")).isNotNull();
        assertThat(loop.getMicroServicePolicies()).hasSize(1);
        assertThat(loop.getOperationalPolicies()).hasSize(1);
        assertThat(loop.getModelPropertiesJson().get("serviceDetails")).isNotNull();
        assertThat(loop.getModelPropertiesJson().get("resourceDetails")).isNotNull();
    }

}